2.2.1

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Across
  1. 2. Organism that consumes other organisms for energy
  2. 7. First trophic level organism that produces food for others
  3. 10. Organisms that consume plants
  4. 11. Stored energy in plants and animals
  5. 13. First level of the food chain
  6. 15. Organism that consumes others for energy
  7. 16. Dead organic material
  8. 17. Water movement from plants to the atmosphere
  9. 19. Process of converting sunlight to glucose
  10. 21. Levels indicating position in the food chain
Down
  1. 1. Organisms that break down dead material
  2. 2. Organisms that consume other animals
  3. 3. Interacting components forming a functional whole
  4. 4. Autotrophs using photosynthesis to make food *(HL)*
  5. 5. Decomposers that digest internally
  6. 6. Organisms that consume both plants and animals
  7. 8. Interacting community of organisms and environment
  8. 9. Autotrophs using chemical reactions for food *(HL)*
  9. 12. Decomposers that digest externally
  10. 14. Primary element in organic compounds
  11. 18. Organism that produces its own food
  12. 20. Organisms that feed on dead animals